package class_1_16;

/**
 * 自己实现int封装为类
 */
public class intDemo {
    private int data;
    public intDemo(){
    }
    public intDemo(int data){
        this.data=data;
    }
    public int intValue(){
        return this.data;
    }
    int a;
    Integer b;
    public static void main(String[] args) {
        String  str=String.valueOf(200);
        System.out.println(str);
    }
}
